Granted Patent
Utility
US 4,075,107 · App. 05/705,066
Novel filter and method of making same
Inventor:
Floyd S. Smith
Patented Case
View Patent ↗
Granted: Feb 21, 1978
Filed: Jul 14, 1976
Inventor
Floyd S. Smith
Assignee (at issue)
BROWN LLC
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.